Press for sealing tube ends.



H. H.. FHEUND.

PRESS FOB SEALING TUBE ENDS. APPLICATIQN FILED MAR. 24. NHL

Patented Aug. 21, 1917 3 SHEETS-SHEET l- I 3 SHEETS-SHEET 2.

H H FHEUND PRESS FOR SEALING TUBE'ENDS.

' APPLICATION FILED MAR.24, I917. 1,237,630,- Patented Aug. 21, 1-917.

flea/er 'g f d- H. H. FREUND.

PRESS FOR SEALING TUBE ENDS.

APPLICATION FILED MAR. 24. I917.

msmso, Patented Aug. 21, 1917.

3 SHEETSSHEET 3.

HENRY H. FREUND, OF WEEHAWKEN, NEW JERSEY.

PRESS-FOR SEALING TUBE ENDS.

To all whom it may concern:

Be it known that I, HENRY I-I. FREUND, a citizen of the United States ofAmerica, residing at l Veehawken, Hudson county, State of New Jersey,have invented certain new -of collapsible tubes such, for instance, asare used to contain tooth or shaving-paste, said seals consistingofchanneled strips that are slipped over the ends of'the tubes. The seals,when placed upon the tubes, will be somewhat loose, but my improveddevice is arranged to cause a portion of the seals to interlock with aportion of the tube. My improved device is also arranged to' placerecord indications upon the seals, the said indications acting as asupplemental seal, as will hereinafter be explained. I will now proceedto describe my inven tion in detail, the novel features of which I willpoint out in the appended claims, reference being had to theaccompanying drawings, forming part hereof, wherein Figure 1 is a sideelevation of an embodiment of my invention;

Fig. 2 is an enlarged plan view of the end of the support which carriesone of the dies;

Fig. 3 is an enlarged bottom plan view of the end of the movable carrierwhich supports the other die Fig. 4 is an enlarged end view of theassembled carrier and support together with.

the dies carried thereby;

Fig. 5 is an enlarged perspective view of the upper die;

Fig. 6 is an enlarged perspective view of a portion of a collapsibletube and a seal applied thereto;

Fig. 7 is a similar view illustrating the appearance of the seal afterhaving been acted upon by the dies.

Fig. 8 is an enlarged sectional view, the section being taken on a line88 in Fig. 7 and Fig. 9 is an enlarged perspective view of. the seal.

As herein indicated, my improved end sealing device or. press consistsof a support 10 having upstanding ears 1]., 11, to which Specificationof Letters Patent. Patented Aug, 21, 1917;

Application filed March 24, 1917. 7 Serial NO. 157,077.

a carrier 12 is oivotally secured by a pin 13 which passes t rough theears 11 and hub 1 of the carrier. instance embodied in the form of alever which is acted upon by aneccentric cam 15 carried by a shaft 16journa'led in the ears 17 carried by the support 10. To rock the carrier12 respectively. The die 24L is fixed to the support 10 by screws 26,while the die The carrier 12 is in this 25 is removably secured to thecarrier 12 by a clamp 26. The clamp 26 consists of a bar pivotallysecured to the carrier 12, at one end thereof, by a screw 27, the otherend of said clamp being provided with a, recess or jaw 28 to receive alocking-screw 28 carried by the support 12. The upper die 25 is setin apocket 29* carried by the carrier 12 and the clamp26 passes over the dieheld in said pocket. When the locking screw 28 is screwed down tightlyagainst said clamp,

the die 25 will be held securely in place.

A further feature of my invention consists in providing supplementalimpression devices which in this instance consist of type 29carried bythe die 25. To retain the type 29, I provide the die 25'with a recess orpocket 30 into which the type are placed, said type being held in saidrecess by the clamp 26. The clamp 26 performs two functions,that ofholding the die 25 in place and also that of holding the type in placein said die.

The type 29 are arranged to represent a i certain identification, forinstance, the serial number of a certain, lot of goods, or any otherprivate identification. I also preferably provide the lower die 24: withfixed type or impression devices 31 and 32 indicating A and Brespectively. The letters A and B represent preferably the name of themanufacturer.

The type 29 and also the impression devices 31 and 32 are arranged toform impressions in the seals deep enough to cause said impressions tointerlock with the mateinafter explained.

To produce a perfect seal, 1 provide the die 25 with elongatedprojections 33 at each end thereof, and the die 24 with elongateddepressions 34: at each end thereof, to aline withthe projections on thedie 25.

The seals consist of channeled strips .35

of relatively thin material which are previously formed and slipped .onto the ends 36 'otflthe 'tubes 3.7. After the S6LlS',l1tL\ '6 beenplaced on to the tubes, theends of the tubes are placed between thedies24; and 25, the press being of course ,in operation, a guide 37 beingprovided to aline the-ends of the tubes with the "dies.

"Wfhen the dies come together they will crush the seal and end of tubetherebetween together, but unless some interlocking effect is produced,the tubes will be liable to leak and the seals liable to come off.

To prevent the seals from vcoining off, and also to prevent leakage, Iinterlock the seals and tubes. To interlock the seals and tubes is'thefunction of .the projections 33, on the upper die, and the depressions34 in the lowerdie. When the dies come together, the projections 33 willforce a portion of the seals and a portion ofthe tubes toward thedepressions 34 in the lowerdie. The impress'ion type 29 and impressiondevices 31 and 32Will also force their corresponding portions of theseals inwardly to interlock with the material of the tubes, Aftera tubehas been withdrawn from the press, it will appear asshown in Figs. 7 and8'. After asea'l has been acted upon by the dies, the said seal will -beinterlocked with the tube and cannot be withdrawn. The interlocking ofthe seals and tubes both by the projections and depressions of thediesand also by the type 29 and impression devices or type 31 and 32effectively produce a leak-proof seal.

To regulatethe movement of the carrier 12,

'1 provide an adjustable screw 38 which acts upon ajplate39 Which inturn rests upon the cam 15. The opening between the dies 2% and 25 canbe increased or decreased by regulating the screw 38.

WVhat-Et-claim as my invention is:

1. In :a device of the kind described, in combination, a support, a diecarrier movably mounted thereupon, said carrierhav ing a ztront flatside formed with a rectangular socket, a rectangular die fitting snuglyin said socket ,flush with the outer side of said carrier, said,die'being formed centrally with ,a rectangular recess, .a plurality .of.interchangeable dies fitting said recess and frictionall ngaging oneanother, and a clamping bar engaging ythe-flat side of said carrier andadapte'd to bearagainst said rectangular die .as well as against saidinterchangeable dies, all Kof sald dies ,hav ng 11npression-making proect ons.

2. rIn -a ,device of the kind described, in

combination, a support, a'carrier movably carried thereupon, a fixed diecarried by said support, ,said carrier having a socket, a ,die fittingsaidgsocket and having a transverse recess, a plurality .of type fittingin said recess, ,a pair vvof depending impressionimaking projectionsformed at the'opposite ends of said fdie said first-nameddie havingcavities at the opposite ends ofits upper side adapted to receive said.impressionsmaking projections, and unitary vmeans for simultaneouslyclampingsaid second-named die and said first-named type within saidcarrier.

Signed at vNew York city, N. Y.,'this 21 day of "March,l917. I. I j vHENRY H. FREUNiD.

\Vitnesses MAURIon Bacon, EDWARD A.,.JAnv1s.

Copies of this patent may lie-obtained for fiv evcents each,byaddressing the ,commiss ioneripf iifatents,

Washington, D, G.

